Ann Shafer has lobbied in support of women's issues, including equal pay, sex and employment discrimination, reproductive freedom, and pregnancy disability benefits throughout her career. She began working in 1946 for W.K. Kellogg Company and was active in the American Federation of Grainmillers, retiring in 1983. She has been involved with the Michigan Democratic Party politics, co-founded a chapter of the National Organization of Women (NOW), and was one of the founding members of the Coalition of Labor Union Women. Ann Shafer's papers reflect her experiences with women in the labor movement, civil rights, politics, and women's rights.